Originally Posted by
unrealdan
Also, if you book, have them deposited in 10 days, spend them before the flight date, then don't show what are they doing to do? Give you a -9k Avios balance?
No, but in a couple of years once you've forgotten all about this promo and Combine Your Avios back into IB+, you might find them immediately disappear on you...
I personally wouldn't rely at all on simply moving the Avios to BA before December.